I always figured these politician written books were just another way to funnel campaign money into their own pockets. Campaign or associated big donors & PACs buy thousands of copies of the books with campaign money. She must not have as much support as she though and her own campaign might be cash strapped.
Are you sure you have the reset rate set correctly on your video card? The difference between 75hz and 160hz is very clear just by moving your mouse cursor around. Age shouldn’t have anything to do with it.